A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 5975-01-656-8608
NSN 5895-00-100-4877
NSN 5935-00-978-0590
NSN 6610-01-175-9045
NSN 6610-00-767-4602
NSN 2925-01-359-4027
NSN 6105-01-610-6949
NSN 5960-00-443-1483
NSN 6610-01-200-6861
NSN 5925-00-592-0881
NSN 6240-01-431-3093
NSN 6320-01-585-8468